SOLUTION: Write the equation for a parabola with a focus at (0,-5)(0,−5) and a directrix at y=-3

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Question 1073660: Write the equation for a parabola with a focus at (0,-5)(0,−5) and a directrix at y=-3
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The vertex is at (0,-4) and is the maximum point of the parabola.
The vertex is one unit distant from either the focus or directrix.

%28x-0%29%5E2=-4%2A1%28y%2B4%29

cross%28-4x%5E2=%28y%2B4%29%5E2%29
highlight%28x%5E2=-4%28y%2B4%29%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Write the equation for a parabola with a focus at (0,-5)(0,−5) and a directrix at y=-3
Correct equation: highlight_green%28y+=+%28-+1%2F4%29x%5E2+-+4%29
Ignore all other RIDICULOUS and NONSENSICAL answers!